.le_tao{
  background-color: #222D32;
}
.mt_150{
  margin-top: 150px;
}

a:hover{
  text-decoration: none;
}
*{
  list-style: none;
  padding: 0;
  margin: 0;
}
body{
  padding-left: 180px;
  transition: all 1s;
}
body.active{
  padding-left: 0;
  
}
.m_20{
  margin: 20px  0;
}
.lt_aside{
  width: 180px;
  height: 100%;
  background-color: #222D32;
  position: fixed;
  left: 0;
  top: 0;
  transition: all 1s;
}
.lt_aside.active{
  left: -180px;
}
.brand{
  height: 50px;
  width: 100%;
  background-color: #367FA9;
}
.brand a{
  width: 100%;
  height: 100%;
  color: #fff;
  display: block;
  text-align: center;
  line-height: 50px;
  font-size: 24px;
}
.user img{
  width: 80px;
  height: 80px;
  display: block;
  border-radius: 50%;
  margin: 30px auto 0;
}
.user p{
  text-align: center;
  color: #fff ;
  height: 40px;
  line-height: 40px;
  font-size: 16px;
}
.nav a{
  display: block;
  height: 40px;
  line-height: 40px;
  color: #fff;
  padding-left: 40px;
  border-left: 3px solid transparent;
  
  
}
.nav a.active{
  border-left: 3px solid #006699;
  background-color: #1d1f21;
}
.nav .child a{
  padding-left: 60px;
}
.lt_main{
  height: 100%;
  width: 100%;

}
.lt_topbar{
  height: 50px;
  width: 100%;
  background-color: #3C8DBC;
 
}
.lt_topbar a{
  display: block;
  width: 50px;
  height: 50px;
  font-size: 16px;
  color: #fff;
  line-height: 50px;
  padding: 0 20px;
}
.breadcrumb{
  margin: 20px 0;
}

.lt-content{
  padding: 0 20px;
}
.lt-content .left{
    width: 45%;
    height: 400px;
    padding-left: 10px;
}
.lt-content .right{
  width: 45%;
    height: 400px;
}
